– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 10 pm Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Thu 08 Oct Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 10mm), heaviest on Fri morning. Very mild (max 15°C on Thu night, min 5°C on Sat morning). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Tue night. Very mild (max 14°C on Tue afternoon, min 7°C on Sun night). Wind will be generally light. | |||||||||||||||
Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  | |  |  | | | | |  | | | | |
rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | rain shwrs | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | rain shwrs | |
Cloud base (m) | 550 | 550 | 750 | 1550 | 1550 | 1550 | 9350 | 2200 | 6800 | 1500 | ||||||
km/h | ||||||||||||||||
 |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 1.6 | 7 | 1.3 | 0.3 | — | 0.2 | — | — | — | — | — | — | — | — | — | 2 |
max °C | 15 | 12 | 10 | 7 | 8 | 11 | 7 | 10 | 12 | 9 | 11 | 13 | 10 | 12 | 14 | 11 |
min °C | 12 | 10 | 8 | 6 | 5 | 10 | 6 | 6 | 12 | 7 | 7 | 12 | 9 | 9 | 13 | 10 |
chill °C | 11 | 9 | 8 | 6 | 4 | 10 | 5 | 5 | 12 | 7 | 7 | 12 | 9 | 9 | 13 | 10 |
Freezing level m | 3150 | 2050 | 1700 | 1500 | 1600 | 1950 | 1950 | 2050 | 2400 | 3100 | 3550 | 3550 | 3400 | 3300 | 3050 | 2650 |
 | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:24 | — | — | 6:22 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 10mm), heaviest on Fri morning. Very mild (max 15°C on Thu night, min 5°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Tue night. Very mild (max 14°C on Tue afternoon, min 7°C on Sun night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
SHIP3236 | |||||
 | |||||
SHIP4383 | |||||
SHIP11299 | |||||
SHIP8157 | |||||
SHIP1948 |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.